Dictionary
magne'sium trisil'icate
Chem.
a white, fine, odorless and tasteless powder, Mg
2O
8Si
3·nH
2O, used industrially to absorb odors and decolorize and pharmaceutically as an antacid.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.